Home / 209,819.35-314,723.35-52,045.93

Finding the Fourth Proportional to 209,819.35, 314,723.35 and 52,045.93

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Solution

The fourth proportional to 209,819.35, 314,723.35 and 52,045.93 is: 78,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.35 : 314,723.35 = 52,045.93 : x
  2. Step 2: Convert to fraction form
    209,819.35/314,723.35 = 52,045.93/x
  3. Step 3: Cross multiply
    209,819.35x = 314,723.35 × 52,045.93
  4. Step 4: Simplify right side
    209,819.35x = 16,380,069,443.47
  5. Step 5: Solve for x
    x = 16,380,069,443.47/209,819.35
  6. Step 6: Final answer
    x = 78,067.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.